This article was first written in April 2005 for the BeezNest technical website (http://glasnost.beeznest.org/articles/224).
To replace a Cisco Remote Access Router, which is only a kind of network serial ports server, you could use a Linux box with Serial to Network Proxy (ser2net).
This article was first written in April 2005 for the BeezNest technical website (http://glasnost.beeznest.org/articles/223).
To manage a bunch of Cisco routers or equipments, a lot of free software have been written over time. Most of them are really useful to ease or improve the management of Cisco material.
Most of the time, they are hopefully not limited to Cisco, but provide support for more.